Blar i Fakultet for naturvitenskap (NV) på tittel
Viser treff 12332-12351 av 12828
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Understanding effects of Ni particle size on steam methane reforming activity by combined experimental and theoretical analysis
(Journal article, 2019)Fundamental understanding of the size-dependent activity is essential to harness powers of the nanocatalysts. Here we report an experimental and theoretical study of the Ni particle size effect on activity of steam methane ... -
Understanding of K and Mg co-promoter effect in ethylene oxychlorination by operando UV–vis-NIR spectroscopy
(Peer reviewed; Journal article, 2020)The comprehensive kinetic study for CuCl2/γ-Al2O3-based catalysts was performed to elucidate the co-promoter effect in the ethylene oxychlorination, one of the most significant industrial processes to produce vinyl chloride ... -
Understanding Organisms Using Ecological Observatory Networks
(Peer reviewed; Journal article, 2023)Human activities are rapidly changing ecosystems around the world. These changes have widespread implications for the preservation of biodiversity, agricultural productivity, prevalence of zoonotic diseases, and sociopolitical ... -
Understanding precipitation in amino acid salt systems at process conditions
(Journal article; Peer reviewed, 2013)Rapid screening experiment has been used to acquire first-hand information on the precipitation characteristics of 14 aqueous amino acid salt systems. Absorption tests at 40o C have shown that at high concentrations, amino ... -
Understanding reaction mechanisms using dynamic electrochemical impedance spectroscopy: Methanol oxidation on Pt
(Journal article; Peer reviewed, 2019)Data from a combined cyclic voltammetry and dynamic electrochemical impedance spectroscopy (dEIS) study of the methanol oxidation reaction (MOR) at high temperatures was revisited using a new method for mechanistic modeling. ... -
Understanding reaction mechanisms using dynamic electrochemical impedance spectroscopy: Methanol oxidation on Pt
(Journal article; Peer reviewed, 2019)Data from a combined cyclic voltammetry and dynamic electrochemical impedance spectroscopy (dEIS) study of the methanol oxidation reaction (MOR) at high temperatures was revisited using a new method for mechanistic modeling. ... -
Understanding Selectivity in CO2 Hydrogenation to Methanol for MoP Nanoparticle Catalysts Using In Situ Techniques
(Peer reviewed; Journal article, 2021)Molybdenum phosphide (MoP) catalyzes the hydrogenation of CO, CO2 , and their mixtures to methanol, and it is investigated as a high-activity catalyst that overcomes deactivation issues (e.g., formate poisoning) faced by ... -
Understanding spatial and interspecific processes affecting population dynamics in a marine ecosystem.
(Doctoral theses at NTNU;2022:11, Doctoral thesis, 2022)The dynamics of wild populations are affected by density dependent and density independent processes that vary across multiple temporal and spatial scales. Despite this high complexity, populations often show some degree ... -
Understanding species interactions in the tropics: dynamics within and between trophic levels
(Doctoral theses at NTNU;2019:327, Doctoral thesis, 2019)Knowledge on how and why species interact with each other can provide invaluable insight into understanding the many-fold effects that the anthropogenic pressures have on biodiversity and ecosystem functioning. Multiple ... -
Understanding structure/function relationships in nitrifying microbial communities after cross-transfer between freshwater and seawater
(Peer reviewed; Journal article, 2021)In this study, nitrification before and after abrupt cross-transfer in salinity was investigated in two moving bed biofilm reactors inoculated with nitrifying cultures that had adaptation to freshwater (FR) and seawater ... -
Understanding the Biogeochemical Impacts of Fish Farms Using a Benthic-Pelagic Model
(Peer reviewed; Journal article, 2020)Sustainable development of the salmon farming industry requires knowledge of the biogeochemical impacts of fish farm emissions. To investigate the spatial and temporal scales of farm impacts on the water column and benthic ... -
Understanding the Ecology of Three Mixed Northern Hepatic Mat Species at Regional Scale through Species Distribution Modelling, and Local Scale through Growth Measurements and Micro-Climatic Assessment
(Master thesis, 2015)Good knowledge of a species' distribution and ecology is important for a successful management. The distribution of species is determined by many factors, among others climatic and topographic factors determining their ... -
Understanding the Effect of Asphaltenes and Wax Inhibitors on Wax Crystallization by Improved NMR Techniques
(Journal article; Peer reviewed, 2023)Wax crystallization represents one of the main factors impacting flow assurance during oil production. Pour point depressants (PPDs) and asphaltenes present in crude oil have been linked to modifications in wax crystallization ... -
Understanding the effect of porosity and presence of silver in Cu:SAPO-34 as an HC-SCR catalyst, using propene or isobutane in a wet feed
(Master thesis, 2019)Effekten av porøsitet og sølv i Cu:SAPO-34 som en HC-SCR av NOx katalysator ble undersøkt, ved bruk av propen og isobutan som hydrokarboner i våt føde. Egne konvensjonelle og hierarkiske SAPO-34 prøver ble syntetisert, ved ... -
Understanding the Effect of Porosity of Cu:SAPO-34 and AgCu:SAPO-34 for the HC-SCR deNOx Reaction
(Master thesis, 2018)This thesis is a continuation of another thesis written by Botne (2017)1. SAPO-34 with different porosity was ion-exchanged with copper and co-exchanged with copper and silver. The materials were tested for selective ... -
Understanding the Effects of TiO2 Anchoring Groups on the Optical Properties of Chromophores in Dye-Sensitized Solar Cells
(Master thesis, 2020)The world is in dire need for a shift towards green and renewable energy sources due to the increasing effects of global warming being felt around the globe. Dye-sensitized solar cells (DSSCs) is one of numerous solar cell ... -
Understanding the growth and physico-chemical properties of multifunctional nanoparticles
(Master thesis, 2018)Gold nanoparticles (Au NPs) exhibit localized surface plasmon resonance (LSPR) that provides wide applications in photothermal therapy, imaging and other theranostic applications. Recently, understanding the growth of ... -
Understanding the hydrogen evolution reaction in alkaline water electrolysis through binding energies
(Bachelor thesis, 2022)Hydrogen utvikles for å kunne brukes til energilagring i framtiden, og dette krever at produksjonen er energieffektiv og grønn fra systemer med lave kostnader av materialer med god tilgjengelighet. Dette kan være oppnåelig ... -
Understanding the Hydrothermal Formation of NaNbO3: Its Full Reaction Scheme and Kinetics
(Peer reviewed; Journal article, 2021)Sodium niobate (NaNbO3) attracts attention for its great potential in a variety of applications, for instance, due to its unique optical properties. Still, optimization of its synthetic procedures is hard due to the lack ...